//program
//Piotr Ibek
//9/21/04
#include <iostream.h>
void main(void)
	{
	double cost, money, change;
	cout << " please enter the cost of the product: ";
	cin >> cost;
	
	cout << " the amount paid : ";
	cin >> money;
	
	change = money - cost;
	cout << " your change is: " << change << endl;
}